Conference box



FIG. 1 is a top, front, and left side perspective of a conference box showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a cross-sectional view thereof taken along the line 3--3 in FIG. 2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a conference box, as shown and described. 